Frequencies for first 10,000 rows of pct012n016 variable in sf12010860us33 dataset :

   13 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,609       86.09       86.09
          1 |        912        9.12       95.21
          2 |        257        2.57       97.78
          3 |        114        1.14       98.92
          4 |         43        0.43       99.35
          5 |         20        0.20       99.55
          6 |         11        0.11       99.66
          7 |          5        0.05       99.71
          8 |          2        0.02       99.73
          9 |          4        0.04       99.77
         10 |          2        0.02       99.79
         11 |          5        0.05       99.84
         12 |          2        0.02       99.86
         13 |          3        0.03       99.89
         14 |          2        0.02       99.91
         15 |          1        0.01       99.92
         16 |          1        0.01       99.93
         18 |          1        0.01       99.94
         20 |          1        0.01       99.95
         25 |          1        0.01       99.96
         26 |          1        0.01       99.97
         31 |          1        0.01       99.98
         37 |          1        0.01       99.99
         44 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017